Unit 3 Vocabulary Flashcards

Front

Chemical property

Back

Any of a material's properties that becomes evident during, or after, a chemical reaction

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Reactivity

Back

The tendency or ability of a substance to undergo a chemical reaction, meaning how readily it interacts with other substances to form new compounds

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Toxicity

Back

The ability of a substance to cause harmful health effects

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Oxidation

Back

Describes the loss of electrons by an atom, molecule, a chemical reaction where a substance gains oxygen or loses hydrogen, rust is oxidation

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pH

Back

The measure of how acidic or basic a substance or solution is

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Corrosion

Back

Ability to undergo a chemical reaction with its environment leading to the degradation of the material

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Radioactivity

Back

An unstable atomic nucleus spontaneously emits radiation (in the form of particles or electromagnetic waves) to achieve a more stable state

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Flammability

Back

A material's ability to ignite, burn, and spread fire

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Physical property

Back

A characteristic of a substance that can be observed or measured without changing its chemical composition

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Density

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The measurement of how tightly a material is packed together, mass per unit volume D=M/V